Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18/03/2024, 19:23

General

  • Target

    1a8eb38bbcc9c40ccf647b4b52dfed00ce0763d20c3fafdce4796f599c38a226.exe

  • Size

    3.2MB

  • MD5

    e4c921880ccf8e8e927461880d8e6195

  • SHA1

    844b458ed6141f9db224b31631ba24ca94c9728b

  • SHA256

    1a8eb38bbcc9c40ccf647b4b52dfed00ce0763d20c3fafdce4796f599c38a226

  • SHA512

    32774aa75e62ee6bca79719bdc4ba293f912447ecb0c3a5457550b0b2a9cf6fddd8a7909383e8735e4d16163231e1036b65d852e751d3ccb36f38262462d1685

  • SSDEEP

    49152:yCwsbCANnKXferL7Vwe/Gg0P+Whg0OyLEs8GuAnZ:Vws2ANnKXOaeOgmhr6GuAnZ

Malware Config

Signatures

  • Detect PurpleFox Rootkit 8 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 9 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • PurpleFox

    PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

  • Drops file in Drivers directory 1 IoCs
  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 10 IoCs
  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 6 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a8eb38bbcc9c40ccf647b4b52dfed00ce0763d20c3fafdce4796f599c38a226.exe
    "C:\Users\Admin\AppData\Local\Temp\1a8eb38bbcc9c40ccf647b4b52dfed00ce0763d20c3fafdce4796f599c38a226.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2464
    • C:\Users\Admin\AppData\Local\Temp\R.exe
      C:\Users\Admin\AppData\Local\Temp\\R.exe
      2⤵
      • Sets DLL path for service in the registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:2704
    • C:\Users\Admin\AppData\Local\Temp\N.exe
      C:\Users\Admin\AppData\Local\Temp\\N.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2680
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\N.exe > nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3052
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:532
    • C:\Users\Admin\AppData\Local\Temp\HD_1a8eb38bbcc9c40ccf647b4b52dfed00ce0763d20c3fafdce4796f599c38a226.exe
      C:\Users\Admin\AppData\Local\Temp\HD_1a8eb38bbcc9c40ccf647b4b52dfed00ce0763d20c3fafdce4796f599c38a226.exe
      2⤵
      • Executes dropped EXE
      PID:2396
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:3004
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2492
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259414000.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:700
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2576
      • C:\Windows\SysWOW64\TXPlatfor.exe
        C:\Windows\SysWOW64\TXPlatfor.exe -acsi
        2⤵
        • Drops file in Drivers directory
        • Sets service image path in registry
        • Executes dropped EXE
        • Suspicious behavior: LoadsDriver
        • Suspicious use of AdjustPrivilegeToken
        PID:2312

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\HD_1a8eb38bbcc9c40ccf647b4b52dfed00ce0763d20c3fafdce4796f599c38a226.exe

            Filesize

            602KB

            MD5

            7ac21750e2032e5aeb681ac88460bdce

            SHA1

            8b2998807124137ba24b6df41dd6f1137a8b9e6e

            SHA256

            d81f59b2fe5e8589c0ee9782e231c805084f4d23dfade413903a4cad63b4e342

            SHA512

            bf377d88375495cdf31e5c90c1d89a337a66c7e64cfcd588c7e412af0411e3b784d143fee6a25229df1188dfd5cbe8bec43702b5076f4020f2ef83dca7480d35

          • C:\Users\Admin\AppData\Local\Temp\HD_X.dat

            Filesize

            2.6MB

            MD5

            274fe01eb0f4cd402c3cfdeda4b30715

            SHA1

            72db93e86caaadf2f28e5265ebfbc2ea6ba9e705

            SHA256

            843743adaef60d2f490d2702487f7687ffa36524d11ad89feed31bbddfd21d40

            SHA512

            6d71d57566f436c6e1242421070bca8c62ba95a7ccfc73ae5efef54f93482b3e3b742bda361b7c713a5e5158f11310401341bd1ddd4f011ba33f77c5e9543798

          • \Users\Admin\AppData\Local\Temp\N.exe

            Filesize

            377KB

            MD5

            4a36a48e58829c22381572b2040b6fe0

            SHA1

            f09d30e44ff7e3f20a5de307720f3ad148c6143b

            SHA256

            3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

            SHA512

            5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

          • \Users\Admin\AppData\Local\Temp\R.exe

            Filesize

            941KB

            MD5

            8dc3adf1c490211971c1e2325f1424d2

            SHA1

            4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

            SHA256

            bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

            SHA512

            ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

          • \Windows\SysWOW64\259414000.txt

            Filesize

            899KB

            MD5

            9a97b5cbc4d813992b1b4012a2df2c71

            SHA1

            62d6fb1832276266c76015638f3a9d74406025f3

            SHA256

            2160b4c35ac9df2e333485349cd4ae9c9d6e5a0ac20b9b59490efa6e3185b210

            SHA512

            b20f0ccbf10044a9bc032a868e78816b534d971bd041578e35b8c9cde61cc73815069d6d5f566c5e598edcd122c021bc3248a903694fdf6a3ae456a75a01c96f

          • \Windows\SysWOW64\Remote Data.exe

            Filesize

            43KB

            MD5

            51138beea3e2c21ec44d0932c71762a8

            SHA1

            8939cf35447b22dd2c6e6f443446acc1bf986d58

            SHA256

            5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

            SHA512

            794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

          • memory/2312-54-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2312-52-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2312-57-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2396-51-0x0000000000400000-0x0000000000497000-memory.dmp

            Filesize

            604KB

          • memory/2576-34-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2576-45-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2680-31-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2680-22-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2680-20-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2680-18-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB